Dimeric alcohol-bis and trimeric alcohol-tris-sulphates and ether sulphates thereof

US5922670A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Georg Knuebel · Goldkronach, DE
• Alfred Westfechtel · Hilden, DE
• Gerhard Hermanns · Monheim, DE
• Rainer Hoffmann · Goldkronach, DE
• Hans-Christian Raths · Monheim, DE

Key dates

• Filing date: Oct 1, 1997
• Grant date: Jul 13, 1999
• Expiry date: Oct 1, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D1/29
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Dimer alcohol bis-sulfates, trimer alcohol tris-sulfates and ether sulfates thereof are prepared by reacting dimer alcohols, trimer alcohols, or alkylene oxide adducts thereof with a sulfating agent, and then neutralizing the reaction product with an aqueous base material.